Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
villa (rustic, vella, Varr. R. R. 1, 2, 4), ae, f. dim. [most prob. for vicula, from vicus], a country-house, country-seat, farm, villa.
villum, i, n. dim. [contr. from vinulum, from vinum], a sup of wine: hoc villi, Ter. Ad. 5, 2, 11.
villus, i, m. [Sanscr. urā, sheep; Gr. εἶρος, wool; cf. vellus], shaggy hair, a tuft of hair; of beasts, Cic. N. D. 2, 47, 121; id. ib. 2, 63, 158; Verg. G. 3, 446; id. A. 5, 352; Ov. H. 6, 49; Mart. 14, 136, 2; Sid. Ep. 5, 17 med. al.
Of cotton, Plin. 11, 23, 27, § 77: tonsis mantelia villis, the nap of cloth, Verg. G. 4, 377; id. A. 1, 702.